Single-player games like RD Mars
Below are 9 single-player Steam games similar to RD Mars, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like RD Mars page.
Ranked picks
- 1
Last Bloody Snack
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Indie and Adventure with RD Mars.
Cody, haunted by psychological demons, envisions a monstrous threat eliminating all he hates.
- 2
Pseudo-Psy Play
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
A 21st Century Noir Horror Game. Pseudo-Psy Play is an eccentric blend of a side-scrolling shooter and a point-and-click adventure. The time has come – face your fears in this bone-chilling story-driven horror game that feels (and looks) like nothing else in the genre. Are you ready, Joseph?
- 3
Riley In The Abyss
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
Riley In The Abyss is a stealth action shooter. You wake up as 'Riley'in an underwater facility to research the depths of the ocean. Upon waking up, something is wrong... Everyone is seemingly dead. Sink or swim in this short psychological horror game.
- 4
Winnie-the-Pooh: Black Honey
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
Explore an open-world 100 Aker Woods while outwitting a twisted Winnie-the-Pooh who wants to eat you. Upgrade yourself and craft elaborate traps to stop him using black honey.
- 5
Airborne Justice
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
Airborne Justice is a shoot 'em up that pays homage to classics from the golden age of video games. Take control of a helicopter, fight enemies, and restore peace to the skies!
- 6
Super Lone Survivor
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
The masked protagonist must escape the city ravaged by disease, by any means necessary. Use stealth to scavenge food, or kill everything in your path. Nurture your mental health or descend into madness. How you survive is up to you.
- 7
Vigil: The Longest Night
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
Embark on a journey through the longest night with Leila, a valiant member of the Vigilant Order. Delve into the hidden truths shrouded in eternal darkness, unravel the mystery surrounding Leila's enigmatic sister, and confront the eldritch horrors lurking in a world that has lost the light of day.
- 8
D'LIRIUM
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
An experimental 2D-shooter with the elements of a horror game. D'lirium brings together some mechanics back from 90s classics. Non-linear levels, search for the keys, violence and a lot of other things. Including the colourful ponies.
- 9
Lucid: Parables of the Ubermensch
Single-player alternative to RD Mars — playable solo, no multiplayer required. Shares Action and Indie with RD Mars.
A 2D platformer themed around esoteric and philosophical dreams.